./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:54,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:54,284 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:02:54,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:54,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:54,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:54,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:54,322 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:54,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:54,326 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:54,327 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:54,327 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:54,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:54,328 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:54,328 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:54,330 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:54,330 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:54,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:54,330 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:02:54,331 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:54,331 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:54,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:54,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:54,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:54,333 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:54,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:54,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:54,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:54,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:54,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:54,336 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:54,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:54,337 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:54,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:54,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:54,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:02:54,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:54,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:54,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:54,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:54,340 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:02:54,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:02:54,623 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:02:54,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:02:54,627 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:02:54,639 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:02:54,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 05:02:55,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:02:56,215 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:02:56,216 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 05:02:56,228 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/829266ae7/0b1c5b4195af44799000ebab32fa54aa/FLAG58a42d1cb [2024-09-13 05:02:56,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/829266ae7/0b1c5b4195af44799000ebab32fa54aa [2024-09-13 05:02:56,243 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:02:56,244 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:02:56,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-13 05:02:56,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:02:56,299 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:02:56,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:56,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:02:56,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:02:56,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:56" (1/2) ... [2024-09-13 05:02:56,310 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bff5e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56, skipping insertion in model container [2024-09-13 05:02:56,310 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:02:56" (1/2) ... [2024-09-13 05:02:56,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4dd004ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:02:56, skipping insertion in model container [2024-09-13 05:02:56,313 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:56" (2/2) ... [2024-09-13 05:02:56,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bff5e2c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56, skipping insertion in model container [2024-09-13 05:02:56,313 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:56" (2/2) ... [2024-09-13 05:02:56,322 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:02:56,322 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-13 05:02:56,322 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 05:02:56,323 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 05:02:56,342 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:02:56,511 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 05:02:56,517 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 05:02:56,519 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-13 05:02:56,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:56,535 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:02:56,548 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 05:02:56,549 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 05:02:56,551 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:02:56,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:02:56,593 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:02:56,593 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56 WrapperNode [2024-09-13 05:02:56,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:02:56,594 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:02:56,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:02:56,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:02:56,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,608 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,628 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:02:56,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,635 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:02:56,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:02:56,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:02:56,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:02:56,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (1/1) ... [2024-09-13 05:02:56,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:56,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:02:56,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:02:56,695 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:02:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:02:56,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:02:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:02:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:02:56,750 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:02:56,750 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 05:02:56,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:02:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-09-13 05:02:56,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-09-13 05:02:56,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:02:56,829 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:02:56,831 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:02:57,008 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:02:57,052 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:02:57,053 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:02:57,053 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:57 BoogieIcfgContainer [2024-09-13 05:02:57,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:02:57,054 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:02:57,054 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:02:57,055 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:02:57,055 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:02:56" (1/4) ... [2024-09-13 05:02:57,056 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c65aa82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:02:57, skipping insertion in model container [2024-09-13 05:02:57,057 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:02:56" (2/4) ... [2024-09-13 05:02:57,058 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c65aa82 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:57, skipping insertion in model container [2024-09-13 05:02:57,058 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:02:56" (3/4) ... [2024-09-13 05:02:57,058 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c65aa82 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:02:57, skipping insertion in model container [2024-09-13 05:02:57,058 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:02:57" (4/4) ... [2024-09-13 05:02:57,059 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-13 05:02:57,064 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:02:57,065 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 05:02:57,065 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 05:02:57,066 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 05:02:57,066 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:02:57,066 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 05:02:57,067 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-13 05:02:57,067 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-13 05:02:57,128 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 05:02:57,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:57,131 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:57,131 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:57,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:57,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,196 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-13 05:02:57,198 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:57,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:57,199 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:57,199 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-13 05:02:57,215 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 05:02:57,215 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:57,215 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:57,216 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:57,216 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:57,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,245 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 05:02:57,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,247 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:57,247 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:57,248 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:57,248 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-13 05:02:57,260 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-13 05:02:57,261 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:57,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:57,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:57,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:57,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,296 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-13 05:02:57,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:57,297 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:57,297 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:57,298 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-13 05:02:57,311 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:02:57,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:02:57,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:02:57,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:02:57,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:02:57,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,326 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-13 05:02:57,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:02:57,327 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:02:57,327 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:02:57,327 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:02:57,327 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:02:57,328 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:02:57,332 INFO L158 Benchmark]: Toolchain (without parser) took 1033.03ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 87.4MB in the beginning and 125.8MB in the end (delta: -38.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:57,333 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:57,334 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:02:57,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.48ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 73.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:02:57,335 INFO L158 Benchmark]: Boogie Preprocessor took 43.61ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:57,335 INFO L158 Benchmark]: RCFGBuilder took 414.83ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 70.9MB in the beginning and 151.0MB in the end (delta: -80.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-09-13 05:02:57,336 INFO L158 Benchmark]: Referee took 276.90ms. Allocated memory is still 190.8MB. Free memory was 151.0MB in the beginning and 125.8MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-13 05:02:57,339 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 142.6MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.48ms. Allocated memory is still 142.6MB. Free memory was 87.1MB in the beginning and 73.2MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.61ms. Allocated memory is still 142.6MB. Free memory was 72.9MB in the beginning and 70.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.83ms. Allocated memory was 142.6MB in the beginning and 190.8MB in the end (delta: 48.2MB). Free memory was 70.9MB in the beginning and 151.0MB in the end (delta: -80.1MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Referee took 276.90ms. Allocated memory is still 190.8MB. Free memory was 151.0MB in the beginning and 125.8MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:02:57,380 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c ../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:02:59,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:02:59,617 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:02:59,626 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:02:59,626 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:02:59,658 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:02:59,659 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:02:59,659 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:02:59,660 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:02:59,661 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:02:59,662 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:02:59,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:02:59,663 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:02:59,667 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:02:59,667 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:02:59,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:02:59,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:02:59,668 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:02:59,669 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:02:59,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:02:59,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:02:59,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:02:59,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:02:59,671 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:02:59,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:02:59,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:02:59,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:02:59,675 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:02:59,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:02:59,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:02:59,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:02:59,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:02:59,676 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:02:59,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:02:59,677 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:02:59,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:02:59,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:02:59,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:02:59,678 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:02:59,678 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:02:59,678 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:02:59,680 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:02:59,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:02:59,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:02:59,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:02:59,681 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:02:59,681 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:00,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:00,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:00,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:00,057 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:00,057 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:00,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/id_build.i.v+lhb-reducer.yml/witness-2.1.yml [2024-09-13 05:03:00,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:00,126 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:00,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 05:03:01,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:02,000 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:02,000 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c [2024-09-13 05:03:02,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2ec72ebe5/a7c037a4abce49a1850cb7e0c162418d/FLAG0ec7a9704 [2024-09-13 05:03:02,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2ec72ebe5/a7c037a4abce49a1850cb7e0c162418d [2024-09-13 05:03:02,364 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:02,365 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:02,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:02,368 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:02,372 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:02,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:00" (1/2) ... [2024-09-13 05:03:02,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7942f39c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:02, skipping insertion in model container [2024-09-13 05:03:02,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:00" (1/2) ... [2024-09-13 05:03:02,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2cedaf43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:02, skipping insertion in model container [2024-09-13 05:03:02,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:02" (2/2) ... [2024-09-13 05:03:02,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7942f39c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02, skipping insertion in model container [2024-09-13 05:03:02,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:02" (2/2) ... [2024-09-13 05:03:02,394 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:02,395 INFO L1541 ArrayList]: Location invariant before [L55-L86] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 05:03:02,395 INFO L1541 ArrayList]: Location invariant before [L23-L101] ((\old(__return_100) == __return_100) && (0 <= main__i)) [2024-09-13 05:03:02,395 INFO L1541 ArrayList]: Location invariant before [L39-L89] (((((long long) main__i + 1) <= main__nlen) && (\old(__return_100) == __return_100)) && (0 <= main__i)) [2024-09-13 05:03:02,416 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:02,592 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 05:03:02,604 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 05:03:02,609 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] [2024-09-13 05:03:02,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:02,629 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 05:03:02,647 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[854,867] [2024-09-13 05:03:02,649 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1096,1109] [2024-09-13 05:03:02,653 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/id_build.i.v+lhb-reducer.c[1375,1388] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-13 05:03:02,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:02,709 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:02,710 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02 WrapperNode [2024-09-13 05:03:02,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:02,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:02,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:02,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:02,724 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,724 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,731 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,758 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-09-13 05:03:02,758 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,759 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:02,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:02,781 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:02,781 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:02,782 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (1/1) ... [2024-09-13 05:03:02,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:02,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:02,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:03:02,810 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:03:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:03:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:03:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:03:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-09-13 05:03:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-09-13 05:03:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-09-13 05:03:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:02,934 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:02,936 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:03,149 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:03,195 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:03,195 INFO L318 CfgBuilder]: Removed 0 assume(true) statements. [2024-09-13 05:03:03,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:03 BoogieIcfgContainer [2024-09-13 05:03:03,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:03,196 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:03,196 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:03,197 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:03,197 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:03:00" (1/4) ... [2024-09-13 05:03:03,197 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f5af30 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:03, skipping insertion in model container [2024-09-13 05:03:03,198 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:02" (2/4) ... [2024-09-13 05:03:03,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f5af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:03, skipping insertion in model container [2024-09-13 05:03:03,198 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:02" (3/4) ... [2024-09-13 05:03:03,200 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@78f5af30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:03, skipping insertion in model container [2024-09-13 05:03:03,200 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:03" (4/4) ... [2024-09-13 05:03:03,201 INFO L79 RefereeObserver]: Analyzing ICFG id_build.i.v+lhb-reducer.c [2024-09-13 05:03:03,204 INFO L112 InvariantChecker]: Found 0 loops. [2024-09-13 05:03:03,208 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 05:03:03,208 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 15 edges. [2024-09-13 05:03:03,208 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr3ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 05:03:03,208 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:03:03,208 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr5ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 16 edges. [2024-09-13 05:03:03,209 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr1ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 7 edges. [2024-09-13 05:03:03,209 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location [2024-09-13 05:03:03,282 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 05:03:03,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:03,286 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:03,286 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:03,287 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:03,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,359 INFO L101 BaseMinimizeStates]: Removed 27 edges and 8 locations by large block encoding [2024-09-13 05:03:03,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,360 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:03,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:03,361 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:03,362 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 10 edges [2024-09-13 05:03:03,384 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 15 edges [2024-09-13 05:03:03,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:03,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:03,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:03,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:03,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,434 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-13 05:03:03,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,434 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:03,435 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:03,435 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:03,435 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 9 edges [2024-09-13 05:03:03,455 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 16 edges [2024-09-13 05:03:03,455 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:03,455 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:03,455 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:03,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:03,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,495 INFO L101 BaseMinimizeStates]: Removed 25 edges and 9 locations by large block encoding [2024-09-13 05:03:03,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:03,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:03,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:03,496 INFO L314 BlockEncoder]: Encoded RCFG 5 locations, 8 edges [2024-09-13 05:03:03,513 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:03,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:03,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:03,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:03,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:03,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,521 INFO L101 BaseMinimizeStates]: Removed 7 edges and 2 locations by large block encoding [2024-09-13 05:03:03,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:03,522 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:03,522 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:03,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:03,523 INFO L314 BlockEncoder]: Encoded RCFG 3 locations, 4 edges [2024-09-13 05:03:03,523 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.referee has thrown an exception: java.lang.AssertionError: Either subgraph not acyclic or there is a bug at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.InvariantChecker.(InvariantChecker.java:144) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeStarter.(RefereeStarter.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver.finish(RefereeObserver.java:80) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-09-13 05:03:03,530 INFO L158 Benchmark]: Toolchain (without parser) took 1163.69ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 46.3MB in the beginning and 52.3MB in the end (delta: -6.0MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2024-09-13 05:03:03,531 INFO L158 Benchmark]: Witness Parser took 0.75ms. Allocated memory is still 48.2MB. Free memory was 29.5MB in the beginning and 29.4MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:03,532 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 27.4MB in the beginning and 27.4MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:03,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 342.97ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 31.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:03:03,534 INFO L158 Benchmark]: Boogie Preprocessor took 68.36ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 46.8MB in the end (delta: -15.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:03:03,534 INFO L158 Benchmark]: RCFGBuilder took 415.81ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 32.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:03:03,535 INFO L158 Benchmark]: Referee took 331.79ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 52.3MB in the end (delta: -19.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-09-13 05:03:03,538 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug de.uni_freiburg.informatik.ultimate.plugins.generator.referee: AssertionError: Either subgraph not acyclic or there is a bug: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AcyclicSubgraphMerger.(AcyclicSubgraphMerger.java:169) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.75ms. Allocated memory is still 48.2MB. Free memory was 29.5MB in the beginning and 29.4MB in the end (delta: 60.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 27.4MB in the beginning and 27.4MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 342.97ms. Allocated memory is still 67.1MB. Free memory was 46.1MB in the beginning and 31.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.36ms. Allocated memory is still 67.1MB. Free memory was 31.5MB in the beginning and 46.8MB in the end (delta: -15.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 415.81ms. Allocated memory is still 67.1MB. Free memory was 46.8MB in the beginning and 32.7MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 331.79ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.7MB in the beginning and 52.3MB in the end (delta: -19.6MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:03,571 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Either subgraph not acyclic or there is a bug